Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 横田 紘子,Optical Properties of Li Doped KTaO_3 using Spectroscopic Ellipsometer,Ferroelectrics 355,,,2007,,,171-175,https://cir.nii.ac.jp/crid/1010282256643832198,